OT-2026-000047307
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000047307) never changes.
Identity and time
| Publication number | OT-2026-000047307 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-3e56-70a0-bea9-e68fc57cbfd6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:32:49.774666Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000047307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90effa79bbfae1cd59b3a5a6235a1bf819909bae393495a7d1053febd226c070 |
|---|---|
| Markdown | 5f4b5651cf0ffcefa0b5cfef8b064520f38d34a09e0df288a3ac2a401d475846 |
| Publication page | 7ac31f63273fbefc8a403087311f5552a01e0ad1163836f2f7ce6e2421f9e214 |
| Manifest | ccf23d08994dd94aa9815274e95de02af318752976ead4563ec666bcc8b6651c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | CgHnkf8/lhGiSvY4pZadcKrKkeZ9/2tdsrPDk09YPw5U+yy90djGTgjUmZva6dyVQ2GCo+31mofOKsWoLUe7Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:06:16.860721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047307observed 7ac31f63273fbefc8a403087311f5552...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:06:16.842523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047307/manifest.jsonobserved ccf23d08994dd94aa9815274e95de02a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:16.824128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047307/publication.mdobserved 5f4b5651cf0ffcefa0b5cfef8b064520...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:16.805763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000047307/publication.txtobserved 90effa79bbfae1cd59b3a5a6235a1bf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|